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diff --git a/include/my_vle.h b/include/my_vle.h
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+/* Copyright (C) 2005 MySQL AB
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef VLE_H
+#define VLE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "my_global.h"
+
+/*
+ The size (in bytes) required to store the object ITEM, which can be
+ either an expression or a type (since sizeof() is used on the item).
+*/
+#define my_vle_sizeof(ITEM) (((sizeof(ITEM) * CHAR_BIT) + 6) / 7)
+
+uchar *my_vle_encode(uchar *vle, size_t max, ulong value);
+uchar const *my_vle_decode(ulong *value_ptr, uchar const *vle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif